class ImageItemTest

class ImageItemTest extends FieldKernelTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'file',
    'image',
  ];
  
  /**
   * Created file entity.
   *
   * @var \Drupal\file\Entity\File
   */
  protected $image;
  
  /**
   * @var \Drupal\Core\Image\ImageFactory
   */
  protected $imageFactory;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->installEntitySchema('user');
    $this->installConfig([
      'user',
    ]);
    // Give anonymous users permission to access content, so that we can view
    // and download public file.
    $anonymous_role = Role::load(Role::ANONYMOUS_ID);
    $anonymous_role->grantPermission('access content');
    $anonymous_role->save();
    $this->installEntitySchema('file');
    $this->installSchema('file', [
      'file_usage',
    ]);
    FieldStorageConfig::create([
      'entity_type' => 'entity_test',
      'field_name' => 'image_test',
      'type' => 'image',
      'cardinality' => FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED,
    ])->save();
    FieldConfig::create([
      'entity_type' => 'entity_test',
      'field_name' => 'image_test',
      'bundle' => 'entity_test',
      'settings' => [
        'file_extensions' => 'jpg',
      ],
    ])->save();
    \Drupal::service('file_system')->copy($this->root . '/core/misc/druplicon.png', 'public://example.jpg');
    $this->image = File::create([
      'uri' => 'public://example.jpg',
    ]);
    $this->image
      ->save();
    $this->imageFactory = $this->container
      ->get('image.factory');
  }
  
  /**
   * Tests using entity fields of the image field type.
   */
  public function testImageItem() {
    // Create a test entity with the image field set.
    $entity = EntityTest::create();
    $entity->image_test->target_id = $this->image
      ->id();
    $entity->image_test->alt = $alt = $this->randomMachineName();
    $entity->image_test->title = $title = $this->randomMachineName();
    $entity->name->value = $this->randomMachineName();
    $entity->save();
    $entity = EntityTest::load($entity->id());
    $this->assertInstanceOf(FieldItemListInterface::class, $entity->image_test);
    $this->assertInstanceOf(FieldItemInterface::class, $entity->image_test[0]);
    $this->assertEquals($this->image
      ->id(), $entity->image_test->target_id);
    $this->assertEquals($alt, $entity->image_test->alt);
    $this->assertEquals($title, $entity->image_test->title);
    $image = $this->imageFactory
      ->get('public://example.jpg');
    $this->assertEquals($image->getWidth(), $entity->image_test->width);
    $this->assertEquals($image->getHeight(), $entity->image_test->height);
    $this->assertEquals($this->image
      ->id(), $entity->image_test->entity
      ->id());
    $this->assertEquals($this->image
      ->uuid(), $entity->image_test->entity
      ->uuid());
    // Make sure the computed entity reflects updates to the referenced file.
    \Drupal::service('file_system')->copy($this->root . '/core/misc/druplicon.png', 'public://example-2.jpg');
    $image2 = File::create([
      'uri' => 'public://example-2.jpg',
    ]);
    $image2->save();
    $entity->image_test->target_id = $image2->id();
    $entity->image_test->alt = $new_alt = $this->randomMachineName();
    // The width and height is only updated when width is not set.
    $entity->image_test->width = NULL;
    $entity->save();
    $this->assertEquals($image2->id(), $entity->image_test->entity
      ->id());
    $this->assertEquals($image2->getFileUri(), $entity->image_test->entity
      ->getFileUri());
    $image = $this->imageFactory
      ->get('public://example-2.jpg');
    $this->assertEquals($image->getWidth(), $entity->image_test->width);
    $this->assertEquals($image->getHeight(), $entity->image_test->height);
    $this->assertEquals($new_alt, $entity->image_test->alt);
    // Check that the image item can be set to the referenced file directly.
    $entity->image_test = $this->image;
    $this->assertEquals($this->image
      ->id(), $entity->image_test->target_id);
    // Delete the image and try to save the entity again.
    $this->image
      ->delete();
    $entity = EntityTest::create([
      'mame' => $this->randomMachineName(),
    ]);
    $entity->save();
    // Test image item properties.
    $expected = [
      'target_id',
      'entity',
      'alt',
      'title',
      'width',
      'height',
    ];
    $properties = $entity->getFieldDefinition('image_test')
      ->getFieldStorageDefinition()
      ->getPropertyDefinitions();
    $this->assertEquals($expected, array_keys($properties));
    // Test the generateSampleValue() method.
    $entity = EntityTest::create();
    $entity->image_test
      ->generateSampleItems();
    $this->entityValidateAndSave($entity);
    $this->assertEquals('image/jpeg', $entity->image_test->entity
      ->get('filemime')->value);
  }
  
  /**
   * Tests a malformed image.
   */
  public function testImageItemMalformed() {
    // Validate entity is an image and don't gather dimensions if it is not.
    $entity = EntityTest::create();
    $entity->image_test = NULL;
    $entity->image_test->target_id = 9999;
    // PHPUnit re-throws E_USER_WARNING as an exception.
    try {
      $entity->save();
      $this->fail('Exception did not fail');
    } catch (EntityStorageException $exception) {
      $this->assertInstanceOf(Warning::class, $exception->getPrevious());
      $this->assertEquals('Missing file with ID 9999.', $exception->getMessage());
      $this->assertEmpty($entity->image_test->width);
      $this->assertEmpty($entity->image_test->height);
    }
  }

}